Whippets fight for a mechanical rabbit behind the finish line after their greyhound race at a racetrack in Hamburg July 1, 2012. Whippets, also called English Greyhounds, are able to reach speeds up to 60 kilometers per hour (about 37 miles per hour) on the 350 meters (0.22 miles) race track. REUTERS/Fabian Bimmer (GERMANY - Tags: SPORT ANIMALS)